Marissa Serafino is an attorney in Holland & Knight's Washington, D.C., office and member of the firm's Public Policy & Regulation Group. Ms. Serafino focuses on the critical intersection of law and public policy on privacy and cybersecurity matters, political law and compliance, national security and the environment.

Clients, including corporations, coalitions, trade associations and local governments, rely on Ms. Serafino for representation before Congress and the executive branch related to advocacy, government enforcement and congressional investigations. This includes assisting clients in developing and executing legislative and regulatory strategies to advance their short- and long-term objectives.

Ms. Serafino is also a member of the firm's Data Strategy, Security & Privacy Team. Her work includes data breach response, and she counsels clients on information governance, including privacy policies in accordance with the European Union's General Data Protection Regulation (GDPR) as well as state laws, procedures and best practices. Additionally, as part of the firm's National Security, Defense and Intelligence Team, Ms. Serafino assists clients with conducting internal investigations and reviews of their insider threat program and security clearance programs.

Separately, Ms. Serafino provides political law compliance services to politically active corporations and high-net-worth individuals, including vetting of political contribution plans related to applicable state and federal limits, pay-to-play compliance and lobbying laws. She also advises clients on post-employment restrictions for state and federal employees.

Prior to joining Holland & Knight, Ms. Serafino counseled and coordinated legislative efforts for Sen. Jeanne Shaheen (D-N.H.) on energy and environmental policy matters and funding issues. Ms. Serafino served as the primary liaison between the senator and the U.S. Senate Appropriations Committee and spearheaded countless efforts to further the senator's priorities on behalf of issues vital to her constituents.


  • The George Washington University Law School, J.D.
  • Saint Anselm College, B.A., International Relations
Bar Admissions/Licenses
  • District of Columbia
  • 131 & Counting, 2019-2021
  • Electing a Democratic Generation (EDGE), 2018-2021
Honors & Awards
  • The Best Lawyers in America guide, Washington, D.C. Administrative/Regulatory Law Ones to Watch, 2024
  • Bryce Harlow Foundation, Fellow, 2016, 2017; Alumni Board, Member, 2021


Speaking Engagements